Jean-Julien Rojer Pictures
LONDON, ENGLAND - NOVEMBER 14: (R) Andy Murray, (C) Danny Valverde and (L) Jean-Julien Rojer watch on during the singles round robin match between John Isner of The United States and Marin Cilic of Croatia during Day Four of the Nitto ATP Finals at The O2 Arena on November 14, 2018 in London, England. (Photo by Clive Brunskill/Getty Images)